bundles/org.simantics.document.linking.ui/src/org/simantics/document/linking/report/evaluator/EvaluatorLeaf.java

   1 package org.simantics.document.linking.report.evaluator;
   2
   3 import java.util.ArrayList;
   4 import java.util.List;
   5 import java.util.Map;
   6
   7 import org.simantics.db.ReadGraph;
   8 import org.simantics.db.exception.DatabaseException;
   9 import org.simantics.document.linking.report.DocumentLine;
  10
  11
  12 public abstract class EvaluatorLeaf implements EvaluatorItem{
  13
  14
  15         EvaluatorNode parent;
  16
  17         @Override
  18         public EvaluatorNode getParent() {
  19                 return parent;
  20         }
  21
  22         @Override
  23         public void setParent(EvaluatorNode parent) {
  24                 this.parent = parent;
  25
  26         }
  27
  28         @Override
  29         public List<DocumentLine> getLines(ReadGraph graph, org.simantics.db.layer0.variable.Variable variable, Map<Object, Object> context) throws DatabaseException {
  30                 List<DocumentLine> lines = new ArrayList<DocumentLine>();
  31                 String value = getValue(graph, variable,context);
  32                 if (value != null && value.length() > 0)
  33                         lines.add(new DocumentLine(value));
  34                 return lines;
  35         }
  36
  37         @Override
  38         public EvaluatorRoot getRoot() {
  39                 if (parent == null)
  40                         return null;
  41                 return getRoot();
  42         }
  43
  44 }